Merge branch 'develop-links' into develop
Alarms: show number of alarms in title

Fixes #115
Alarms: keep info synchronized

Fixes #121
fix bug
Fix and optimize except rules
Tasklist: highlight items with colors

Fixes #226
Grammar
Deprecate accelerators
Re-assign menu keyboard shortcuts
Reorganize handling of menu events (part 1)
Reorganize handling of menu events (part 2)
fix bug
Add comment
Fixes to menus
Custom snooze dialog + fixes to menus
Fix bug
Fix race bug
Release procedure: use updpkgsums
Add to RELEASE
Give a consistent "Occurrences" name to the tasklist